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Z41321 Zinc vs. S21640 Stainless Steel

Z41321 zinc belongs to the zinc alloys classification, while S21640 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Z41321 zinc and the bottom bar is S21640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 60
46
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
78
Tensile Strength: Ultimate (UTS), MPa 190
740
Tensile Strength: Yield (Proof), MPa 150
350

Thermal Properties

Latent Heat of Fusion, J/g 110
290
Maximum Temperature: Mechanical, °C 90
940
Melting Completion (Liquidus), °C 410
1430
Melting Onset (Solidus), °C 400
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 6.6
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 54
51
Embodied Water, L/kg 340
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
280
Resilience: Unit (Modulus of Resilience), kJ/m3 130
300
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 7.9
27
Strength to Weight: Bending, points 11
23
Thermal Diffusivity, mm2/s 44
4.0
Thermal Shock Resistance, points 5.9
16

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17.5 to 19.5
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 0 to 0.010
63 to 74.3
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0
3.5 to 6.5
Molybdenum (Mo), % 0
0.5 to 2.0
Nickel (Ni), % 0
4.0 to 6.5
Niobium (Nb), % 0
0.1 to 1.0
Nitrogen (N), % 0
0.080 to 0.3
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0.080 to 0.18
0
Zinc (Zn), % 98.8 to 99.42
0